Home / 19,309.04-28,972.60-6,838.48

Finding the Fourth Proportional to 19,309.04, 28,972.60 and 6,838.48

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Solution

The fourth proportional to 19,309.04, 28,972.60 and 6,838.48 is: 10,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.04 : 28,972.60 = 6,838.48 : x
  2. Step 2: Convert to fraction form
    19,309.04/28,972.60 = 6,838.48/x
  3. Step 3: Cross multiply
    19,309.04x = 28,972.60 × 6,838.48
  4. Step 4: Simplify right side
    19,309.04x = 198,128,456.12
  5. Step 5: Solve for x
    x = 198,128,456.12/19,309.04
  6. Step 6: Final answer
    x = 10,260.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.